The BlackTube E1 provides organizations with the ability to securely interconnect PBXs, Cellular Base Stations, Telecom Switches and E1 based communication systems over flexible bandwidth lines that are used to carry data, voice, and video. The Voice Only Leased Line Toll charges assessed by long distance and local carriers are eliminated or dramatically reduced by transporting voice traffic via LANs, WANs, MANs, Satellite and Wireless Ethernet.

The BlackTube E1 encapsulates full and fractional E1 circuits, along with their framing and signaling bits, into AES encrypted IP packets. Encryption of the packetized E1 protects vital information from eavesdropping, tampering and regulatory compliance violations.

The BlackTube E1 ships with two E1 interfaces with either 1, 2 or 3 active and two 10/100 BaseT Ethernet Interfaces. The E1 interfaces have configurations that for provide independent protocol, compression, packet sizing, buffering, clocking, framing, coding and channel settings. The inactive E1 Ports can be activated via a software-based license key for a pay as you grow option.

1. Transparent Interconnect

The BlackTube E1's transparent operation maintains the proprietary signaling required to support PBX features such as call conferences, call forwarding, caller ID and SS7. Legacy phone equipment investment is preserved.

2. Signalling Support

PRI ISDN, SS7, and Proprietary out of band are supported. Transparent support for Data, Modem or Fax. Voice quality is not compromised.